title: Think local, act global: how do fragmented representations of space allow seamless navigation?
abstract: In this commentary, we highlight a difficulty for metric navigation arising from recent data with grid and place cells: the integration of piecemeal representations of space in environments with repeated boundaries. Put simply, it is unclear how place and grid cells might provide a global representation of distance when their fields appear to represent repeated boundaries within an environment. One implication of this is that the capacity for spatial inferences may be limited.
authors.forename: Paul A
authors.initials: PA
authors.lastname: Dudchenko
authors.forename: Emma R
authors.initials: ER
authors.lastname: Wood
authors.forename: Roderick M
authors.initials: RM
authors.lastname: Grieves
mesh_terms: D000818:Animals; D003071:Cognition / Q000502:physiology*; D006801:Humans; D008959:Models, Neurological; D013028:Space Perception / Q000502:physiology*; D013037:Spatial Behavior